FILTERS INCLUDED:Includes 4 slide filters with 5 layers. Filters are replacable and fits securely inside.
Our masks are resusable and washable.Remove filter pad before washing the mask.And the masks should be cleaned on handwash gentle.
Measurement: 20*13cm
Receiving time = Process time(1-2 working days) + Shipping time
Standard service: FREE | Expedited service: $20
4-8 working days | 2-5 working days [view more](Some ordrs may take longer than usual 10-20 business days for we're improving our shipping process to make your packages even safer.)